CuO--> CuCI2-->Cu(OH)2--> CuO-->CuSO4

Question

CuO--> CuCI2-->Cu(OH)2--> CuO-->CuSO4

Answer 1

CuO+HCl=CuCl2+H2O
CuCl2+NaOH=Cu(OH)2+NaCl
Cu(OH)2=CuO+H2O
CuO+H2SO4=CuSO4+H2O