Answer:
9 Ca + 2 Pb2O3 > 3 Ca3O2 + 4 Pb
It's a single replacement reaction
Explanation:
_9_Ca + _2_Pb2O3 > _3_Ca3O2 + _4_Pb
9 1 Ca 3 9
4 2 Pb 1 4
6 3 O 2 6
It's single replacement because there's only one element being replaced.
(Calcium is more reactive than Lead, so it bonds with Oxygen)
