Specing motor

So I am looking at spacing a motor for my first custom 3d printer design. I am using a CoreXY based system.

Now I have a few questions:

1. If I get a high torque nema 17 and run it at low power without skipping steps, would that be quieter than running a mid torque motor at a higher power?

2. What dictates the noise made by a motor?

I am looking to use these [robotdigg.com] with A4988 drivers.