If you have Mac OS HIgh Sierra or newer and you can't see your new drive, check this first.................
Please follow the steps below.
Step 1. Select the “View”
Step 2. Click “Show All Devices”
Step 3. Select the Destination drive you are going to erase
Step 4. After clicking “Erase”button, change the setting in Scheme from Master Boot Record to GUID Partition Map
Step 5. Then click erase button.