CuSO4->Cu(OH)2->CuO->cu

Question

CuSO4->Cu(OH)2->CuO->cu

Answer 1

СuSO4 + 2KOH = Cu(OH)2 + K2SO4
Cu(OH)2 =t°⇒CuO + H2O
CuO + H2 = Cu + H2O