Heya
Yeah Kaby Lake CPUs will work with h170.
"As far as the processors are concerned, the Kaby Lake processor lineup will feature compatibility on existing 100-Series motherboards featuring the LGA 1151 socket."
Source: http://wccftech.com/intel-14nm-kaby-lake-haswell-refresh-platform-detailed-launching-2h-2016-256-mb-edram-hseries-91w-kseries-unveiled/