Answer:
Magnesium Oxide(MgO)
Sodium Oxide(Na2O)
Calcium Oxide(CaO)
Potassium Oxide(K2O)
Lithium Oxide(Li2O)
Step-by-step explanation:
All oxides in Group 1 & 2 elements are basic (except BeO)
Some oxide in Group 13 element is basic, it reacts with water to form a base
Some oxide in Group 15 element is basic, it reacts with water to form a base