address I had created to send BTC.
This phrase doesn't make any sense. You don't create addresses to send bitcoins, you create addresses to receive bitcoins.
What happens if someone tries to send that .1 BTC to that address?
Will I receive it?
That depends on where you got that other address from.
Lets start with a simple question:
What wallet are you using? Each wallet works a bit differently from the others. It is difficult to give good advice without at least knowing what wallet you are using:
- Armory?
- Bitcoin-Qt?
- Electrum?
- MultiBit?
- blockchain.info/wallet?
- Mycellium?
- BitcoinWallet (on android)
- Something else?
Next, where in your wallet did you get the address that you gave to QuickBit?