Step-by-step explanation:
Inorganic synthesis or addition reactions are those that occur between two or more substances, giving rise to a single more complex product.
Generically, we have:
A + B-> AB
An example of a synthesis equation of formation of an ionic compound is the formation of NaCl:
2 Na + Cl2 -> 2 NaCl
Answer: 2 Na + Cl2 -> 2 NaCl