5 H2O2 (aq) + 2 KIO3 (aq) + H2SO4 (aq) → I2 (s) + 5 O2 (g) + K2SO4 (aq) + 6 H2O (l)
This is an oxidation-reduction (redox) reaction:
2 IV + 10 e- → 2 I0 (reduction)
10 O-I - 10 e- → 10 O0 (oxidation)
KIO3 is an oxidizing agent, H2O2 is a reducing agent.
This is a precipitation reaction: I2 is the formed precipitate.
This is a gas evolution reaction, O2 is the formed gas.