CuO + H2SO4 -> CuSO4 + H2O
CuSO4 + 2NaOH -> Cu(OH)2 + Na2SO4
Cu(OH)2 -> CuO + H2O
CuO + 2HCl -> CuCl2 + H2O
CuCl2 + 2KOH -> Cu(OH)2 + 2KCI
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Verified answer
CuO + H2SO4 -> CuSO4 + H2O
CuSO4 + 2NaOH -> Cu(OH)2 + Na2SO4
Cu(OH)2 -> CuO + H2O
CuO + 2HCl -> CuCl2 + H2O
CuCl2 + 2KOH -> Cu(OH)2 + 2KCI