Answer:
The answer to your question is the letter d. CsBr
Step-by-step explanation:
Data
HBr reacts with CsOH
A neutralization reaction occurs between an acid and a base and the products will always be water and a binary salt.
In this reaction, the acid is HBr and the base is CsOH, then the products will be water and Cesium bromide.
Balanced chemical reaction
HBr + CsOH ⇒ CsBr + H₂O