Respuesta :
The reaction is a substitution reaction since bromide ion was replaced by hydroxide ion.
What is a chemical reaction?
A chemical reaction is a change which results in a the permanent rearrangements of the atoms and constituents of a substance such that new substances are formed.
The given reaction is a as follows:
[tex]CH_3Br (aq) + OH^{-} (aq) \rightarrow CH_3OH (aq) + Br^{-} (aq) \\ [/tex]
Bromide ion was replaced by hydroxide ion.
Therefore, the reaction is a substitution reaction.
Learn more about chemical reactions at: https://brainly.com/question/16416932
#SPJ4