The conversation between human and AI assistant.
[|Human|] Identify the reaction type based on the given chemical reaction.
[|AI|] The given chemical reaction is an example of a synthesis reaction, also known as a combination reaction. It is a type of reaction where two or more elements or compounds combine to form a single compound. In this case, the iron (Fe) and oxygen (O2) combine to form iron oxide (Fe2O3).
[|Human|] 
Identify the reaction type based on the given chemical reaction.