1) ---
2) Fe(NO₃)₂ + 2KOH = Fe(OH)₂↓ + 2KNO₃
Fe²⁺ + 2NO₃⁻ + 2K⁺ + 2OH⁻ = Fe(OH)₂↓ + 2K⁺ + 2NO₃⁻
Fe²⁺ + 2OH⁻ = Fe(OH)₂↓
1) ---
2) Fe(NO₃)₂ + 2KOH = Fe(OH)₂↓ + 2KNO₃
Fe²⁺ + 2NO₃⁻ + 2K⁺ + 2OH⁻ = Fe(OH)₂↓ + 2K⁺ + 2NO₃⁻
Fe²⁺ + 2OH⁻ = Fe(OH)₂↓