6 Br + 6 KOH → 5 KBr + KBrO3 + 3 H2O
This is an oxidation-reduction (redox) reaction:
5 Br0 + 5 e- → 5 Br-I (reduction)
Br0 - 5 e- → BrV (oxidation)
Br is both an oxidizing and a reducing agent (disproportionation (dismutation)).
Warning: Unknown compound 'Br'