If someone says "Eid Mubarak" to you, a polite response would be "Khair Mubarak, " which wishes goodness and blessings upon the person who greeted you. You could also say "JazakAllah Khair," which ...
Another way of wishing someone a happy Eid is to say: 'Eid sa'id' And some people say Jazak Allah Khair to celebrate the end of Ramadan. This translates to: 'May Allah reward you with goodness.' ...