2 AgNO3 (aq) + 2 NaOH (aq) + H2O2 (aq) → 2 Ag (s) + O2 (g) + 2 NaNO3 (aq) + 2 H2O (l)
This is an oxidation-reduction (redox) reaction:
2 AgI + 2 e- → 2 Ag0 (reduction)
2 O-I - 2 e- → 2 O0 (oxidation)
AgNO3 is an oxidizing agent, H2O2 is a reducing agent.
This is a precipitation reaction: Ag is the formed precipitate.
This is a gas evolution reaction, O2 is the formed gas.