The Kiwi pacemen, led by Trent Boult (2/21), set up the win as they bundled out Scotland for a measly 142 in 36.2 overs after winning the toss at University Oval ground.
Veteran spinner Daniel Vettori polished of the lower-order after pacers Boult, Tim Southee (2/35) and Corey Anderson (3/18) had unsettled the Scotland innings.
Scotland owed their total to Matt Machan (56) and Richie Berrington (50), who struck fighting fifties.
The wicket had good bounce and the batsmen required to apply themselves throughout and a little lapse of concentration resulted in loss of wicket.
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Kane Williamson top-scored for the Kiwis with his 38-run knock while Grant Elliot managed 29 amidst an inexplicable collapse. The Kiwis won with 25.1 overs to spare but the way they achieved the target was far from convincing.
Nevertheless, it was their second win after a comprehensive victory against Sri Lanka in the opening match of the tournament.
Earlier, Boult rocked the Scotland top-order by taking two wickets in two balls as he trapped opener Calum MacLeod and Hamish Gardiner before the batsmen could open their accounts.
Tim Southee (2/35) inflicted more damage when he accounted for other opener Kyle Coetzer (1) and rival skipper Preston Mommsen (0) in consecutive balls in the fifth over, leaving the opponents reeling at 12 for four.
From here the resurrection of the Scotland innings began as Matt Machan (56) and Richie Berrington (50) dug their heels in for a 97-run stand for the fifth wicket.
Left-arm paceman Anderson broke the stand when he had Machan caught by Brendon McCullum and the scorecard was reading 109. Anderson added two more wickets to his kitty and Vettori took last three wickets as Scotland innings folded quickly.