I think regrettable that Bitcoin cash will replace Bitcoin in the future (1-2 years), at least in price
Bch cash is an improved version of btc, and has 8mb blocks, in the future, if cryptos uses in day of day of real life, btc isn't optimized to make so transactions per second, and i'm afraid.
Don't quite positive that bitcoin cash could overtake Bitcoin in just 1 or 2 years, as we all can see now, the gap between BitcoinCash and Bitcoin is still so much wide open so it will takes more than 1 or 2 years for BitcoinCash to catch up to Bitcoin.