Question

name the salt formed when zinc react with a base.

Answer 1

zn reacts with base and forms znoH

Answer 2

When zinc reacts with a base like sodium hydroxide it will form a salt of sodium zincate and release hydrogen gas.
That is,
Zn(s) + 2NaOH(aq) -----> Na2ZnO2(aq) + H2(g)
zinc sodium hydroxide sodium zincate

Hope you helpful and understood.