CuSo4+2naoh=cu(oh)2+naso4 sokrashonno ionnom
CuSO₄+2NaOH=Cu(OH)₂+Na₂SO₄ Cu²⁺+SO₄²⁻+2Na⁺+2OH⁻=Cu(OH)₂+2Na⁺+SO₄²⁻ Cu²⁺+2OH⁻=Cu(OH)₂