Cu(NO₃)₂ + 2KOH = Cu(OH)₂↓ + 2KNO₃
Cu²⁺ + 2NO₃⁻ + 2K⁺ + 2OH⁻ = Cu(OH)₂↓ + 2K⁺ +2NO₃⁻
Cu²⁺ + 2OH⁻ = Cu(OH)₂↓
Cu(OH)₂ + H₂SO₄ = CuSO₄ + 2H₂O
Cu(OH)₂ + 2H⁺ + SO₄²⁻ = Cu²⁺ + SO₄²⁻ + 2H₂O
Cu(OH)₂ + 2H⁺ = Cu²⁺ + 2H₂O
CuSO₄ + BaCl₂ = BaSO₄↓ + CuCl₂
Cu²⁺ +SO₄²⁻ + Ba²⁺ +2Cl⁻ = BaSO₄↓ + Cu²⁺ + 2Cl⁻
SO₄²⁻ + Ba²⁺= BaSO₄↓
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Verified answer
Cu(NO₃)₂ + 2KOH = Cu(OH)₂↓ + 2KNO₃
Cu²⁺ + 2NO₃⁻ + 2K⁺ + 2OH⁻ = Cu(OH)₂↓ + 2K⁺ +2NO₃⁻
Cu²⁺ + 2OH⁻ = Cu(OH)₂↓
Cu(OH)₂ + H₂SO₄ = CuSO₄ + 2H₂O
Cu(OH)₂ + 2H⁺ + SO₄²⁻ = Cu²⁺ + SO₄²⁻ + 2H₂O
Cu(OH)₂ + 2H⁺ = Cu²⁺ + 2H₂O
CuSO₄ + BaCl₂ = BaSO₄↓ + CuCl₂
Cu²⁺ +SO₄²⁻ + Ba²⁺ +2Cl⁻ = BaSO₄↓ + Cu²⁺ + 2Cl⁻
SO₄²⁻ + Ba²⁺= BaSO₄↓