Does increased saliva production in my mouth necessarily mean i will get cavities?

Quite the contrary: Saliva buffers the acids produced by bacteria that cause decay. So excess saliva is a good thing! those people who suffer from dry mouth (xerostomia) have a much higher cavity rate. You are lucky! don't worry.

Quite the opposite: Having a lot of saliva is good when it comes to preventing cavities. It may be more annoying and there could be a reason for the large saliva production. But...Having little or no saliva flow is what causes cavities. Saliva production decreases with sleep and this is the main reason the profession tells you to brush your teeth at nite. Drugs can help reduce saliva if it is too excessive.

No: Saliva flow tends to reduce the bacteria that causes cavities, it also helps wash away sugars that supports the bacteria.

No the reverse: Quite the reverse! good salivary flow actually protects the teeth unless you consume sugar in any form more that three times a day. Saliva is usually slightly alkaline, and can neutralize bacterial acid in the mouth, but when we consume sugar there is shift to producing acid saliva for about 20 mins. If you sip on sweet sodas or eat sweets this effect will last longer. Ask your dentist.