And if so, how long?
Insults of any kind violate the https://www.epicgames.com/...nity-rules. It doesn't matter who started it.
The consequences depend on how severe the violation was and how often you have been suspicious.
Starts with a warning, goes through temporary bans to the permanent ban of the account for repeat offenders.
Hello of course you will be banned if your teammate reports you insulted.
And why do you want to insult, but no one insults, you can just speak normally.