So if i keep my bitcoins in MyCelium Wallet, what will i have to do to claim the B2X coins ? Or would it be better to keep it on an exchange ?

How to get Bitcoin Segwit2X?

1. Futures Trading
Already now, Bitcoin Segwit2X futures [B2X] are traded on large crypto-exchanges, the list of which is constantly replenished. Stay tuned for updates on our website and social channels!
2. Bitcoin BTC storage on the wallets and services of our partners, the list of which is also constantly updated (At our website and in the 1st post)
3. Bitcoin BTC storage on cold or online wallets, with access to private keys