Hg(NO3)2 + 2NaOH → 2NaNO3 + H2O + HgO↓
Hg²⁺ + 2NO₃¹⁻ + 2Na¹⁺ + 2OH¹⁻ → 2Na¹⁺ + 2NO₃¹⁻ + H2O + HgO↓
Hg²⁺ + 2OH¹⁻ → H2O + HgO↓
Hg(NO3)2 + 2NaOH → 2NaNO3 + H2O + HgO↓
Hg²⁺ + 2NO₃¹⁻ + 2Na¹⁺ + 2OH¹⁻ → 2Na¹⁺ + 2NO₃¹⁻ + H2O + HgO↓
Hg²⁺ + 2OH¹⁻ → H2O + HgO↓