Final answer:
The word you should use to say you are going to a wedding in Spanish is 'boda'.
Step-by-step explanation:
The word you should use to say you are going to a wedding in Spanish is boda. In Spanish, the word for 'wedding' is 'boda'. So you would say 'Voy a una boda' to mean 'I am going to a wedding'.
Learn more about Using Spanish vocabulary to talk about events and celebrations