It depends on how intense each pain is, but if they’re equal, I’d much rather be in emotional pain. It’s not even a question I have to ponder. I hate physical pain. It’s something I try to avoid as often as possible. I don’t even like drinking soda and other carbonated beverages that burn going down.
Emotional pain is something I’ve rarely had to deal with, at least in my adult life. I used to cry as a kid, but it’s arguable if even most of those moments were the result of “pain” as opposed to anger or other emotional reasons. In any case it’s rare for me to experience emotional pain as an adult.
It’s a subjective thing compared to physical pain and I’m just not that sensitive to it. The title question assumes I would be, so perhaps my answer comes from ignorance, but I think that even if I were as sensitive to emotional pain as I am to physical pain, I’d still rather be in emotional pain.